diff -r 16fcd59295e3 -r 79e13080b9db hedgewars/uTypes.pas
--- a/hedgewars/uTypes.pas	Fri Oct 13 17:09:45 2017 +0200
+++ b/hedgewars/uTypes.pas	Fri Oct 13 16:37:56 2017 -0400
@@ -526,6 +526,8 @@
             Surface: PSDL_Surface;
             Width, Height, imageWidth, imageHeight: LongInt;
             saveSurf: boolean;
+            critical: boolean;
+            checkSum: boolean; // use for images where if they are missing a desync can occur.
             priority: GLfloat;
             getDimensions, getImageDimensions: boolean;
             end;